Il numero romano DCCCLXXXVII nel sistema decimale vale: 887.
DCCCLXXXVII in latino si scrive octingenti octoginta septem,
mentre in italiano ottocentottantasette.
DCCCLXVIII, DCCCLXIX, DCCCLXX, DCCCLXXI, DCCCLXXII, DCCCLXXIII, DCCCLXXIV, DCCCLXXV, DCCCLXXVI, DCCCLXXVII, DCCCLXXVIII, DCCCLXXIX, DCCCLXXX, DCCCLXXXI, DCCCLXXXII, DCCCLXXXIII, DCCCLXXXIV, DCCCLXXXV, DCCCLXXXVI, DCCCLXXXVIII, DCCCLXXXIX, DCCCXC, DCCCXCI, DCCCXCII, DCCCXCIII, DCCCXCIV, DCCCXCV, DCCCXCVI, DCCCXCVII, DCCCXCVIII, DCCCXCIX, CM, CMI, CMII, CMIII, CMIV, CMV, CMVI